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Magistral Small 1.0

API ID magistral-small-2506

Magistral Small 1.0 was a Mistral model, released June 2025. It had a 40,000-token context window. It took PDF input and supported function calling and reasoning.

Our first small reasoning model released June 2025. Learn more in our [blog post](https://mistral.ai/news/magistral/)

Mistral's description
Status
Retired
Released
June 2025
Shutdown
Nov 30, 2025

magistral-small-2506 stopped serving on November 30, 2025. Recommended replacement: mistral-small-2603.

How to migrate to Mistral Small 4

Benchmarks

Scores as each source published them
or

No comparison. Pick a model to see the difference on each benchmark.

Epoch AI

BenchmarkMagistral Small 1.0SettingRunSource
GPQA Diamond56.1%Aug 6, 2026source
OTIS Mock AIME 2024-202530.0%Aug 6, 2026source

Run independently by Epoch AI. Data: Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.

Features

Compare models
FeatureValueSinceSource
Function callingAlso called tool use. You describe functions; the model replies with a function name and arguments for your code to run, then uses the result.Supportedin place when tracking began (October 6, 2026)source
Batch APISend many requests as one job that runs in the background, usually finished within 24 hours, at a lower price than live requests.Supportedin place when tracking began (October 6, 2026)source
PDF inputPDF files can go in the prompt directly, without converting them to text first.Supportedin place when tracking began (October 6, 2026)source
Reasoning / thinkingThe model can work through a problem step by step before it answers: usually better answers to hard questions, at the cost of more tokens and time.Supportedin place when tracking began (October 6, 2026)source
Context windowThe most the model can work with in one request, in tokens: your prompt, conversation history and files. A token is about three-quarters of an English word.40,000 tokensin place when tracking began (October 6, 2026)source

Not published by Mistral: Structured outputs, Prompt caching, Image input, Fine-tuning, Built-in web search, temperature parameter, top_p parameter, logprobs, Max output tokens.

Price history

USD per 1M tokens, standard tier
$0.00$0.50$1.00$1.50$2.00Oct 2026In $0.50Out $1.50Oct 5, 2026 to Oct 15, 2026: Input $0.50, Output $1.50
$0.00$0.50$1.00$1.50$2.00Oct 2026In $0.50Out $1.50Oct 5, 2026 to Oct 15, 2026: Input $0.50, Output $1.50

We started recording this model's prices on Oct 5, 2026. The history grows with each daily check.

Show as a table
FromTypePrice
Oct 5, 2026Input$0.50
Oct 5, 2026Output$1.50

Prices

USD per 1M tokens, every type and band, by tier
TypePrice $/1MIn effect
Standard
input$0.50
output$1.50

Changelog

Changes we detected on Mistral's pages

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Last checked · Sources: Mistral models